Canonical change record

OpenAI retired GPT-5.2 Chat Latest and GPT-5.3 Chat Latest on August 10

OpenAI lists gpt-5.2-chat-latest and gpt-5.3-chat-latest under past deprecations after their August 10, 2026 removal date and recommends gpt-5.6-sol.

completedChecked 2026-09-04

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01 · Operational consequence

Lifecyclecompleted
Severitycritical
ConsequenceThe official notice applies to the OpenAI API and documents no regional exception.

02 · Affected subjects

Componentsgpt-5.2-chat-latest, gpt-5.3-chat-latest, OpenAI API model configuration
AudienceDevelopers and platform teams whose OpenAI API requests select gpt-5.2-chat-latest or gpt-5.3-chat-latest.
RegionOpenAI API; no regional exception documented

03 · Detection

Stable event IDksr-openai-gpt-5-2-5-3-chat-2026-08-10
Change typeretirement

04 · Before → after

BeforeDeprecated until August 10, 2026
AfterRetired

05 · Required action

ActionRemove gpt-5.2-chat-latest and gpt-5.3-chat-latest from production configuration, migrate to gpt-5.6-sol, and re-test prompts, tools, latency and cost.
Replacement or migration pathChange requests from gpt-5.2-chat-latest or gpt-5.3-chat-latest to gpt-5.6-sol, validate application behavior in a non-production environment, and complete the cutover before August 10.

06 · Actionable date

Date roleMigration deadline
Date2026-08-10
Statuscompleted

07 · Kingy reproduction

StatusNot tested
LimitationsSource evidence reviewed; no paid vendor call or production reproduction was run.

08 · Sources and revision

Checked2026-09-04
Official sourceshttps://developers.openai.com/api/docs/deprecations
Correction history2026-08-23: Post-deadline verification changed the record from scheduled retirement to retired.